Treadmill



FIG. 1 is a perspective view of a treadmill embodying the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of a treadmill embodying a moved position of the new design;

FIG. 9 is a front view thereof;

FIG. 10 is a back view thereof;

FIG. 11 is a left side view thereof; and,

FIG. 12 is a top view thereof.

The broken lines in the figures illustrate the portions of the treadmill that form no part of the claimed design. 

CLAIM The ornamental design for a treadmill, as shown and described. 